Home / 31,589.28-47,382.48-11,866.32

Finding the Fourth Proportional to 31,589.28, 47,382.48 and 11,866.32

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Solution

The fourth proportional to 31,589.28, 47,382.48 and 11,866.32 is: 17,798.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,589.28 : 47,382.48 = 11,866.32 : x
  2. Step 2: Convert to fraction form
    31,589.28/47,382.48 = 11,866.32/x
  3. Step 3: Cross multiply
    31,589.28x = 47,382.48 × 11,866.32
  4. Step 4: Simplify right side
    31,589.28x = 562,255,670.07
  5. Step 5: Solve for x
    x = 562,255,670.07/31,589.28
  6. Step 6: Final answer
    x = 17,798.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.